HLTech / vaunt

public class SchemaValidator {

    private static final Set<JsonSchemaValidator> schemaValidators = new HashSet<>();

    static {

        schemaValidators.addAll(Sets.newHashSet(

                new StringSchemaValidator(),

                new ObjectSchemaValidator(),

                new BooleanSchemaValidator(),

                new IntegerSchemaValidator(),

                new NumberSchemaValidator()

        ));

    }

    public static List<String> validate(JsonSchema consumerSchema, JsonSchema providerSchema) {

        JsonSchemaValidator matchingValidator = schemaValidators.stream()

                .filter(v -> v.supportsSchemaType().equals(consumerSchema.getClass()))

                .filter(v -> v.supportsSchemaType().equals(providerSchema.getClass()))

                .findAny()

                .orElseThrow(() -> new RuntimeException(

                        "Exactly one validator should exist for consumer and provider"));

        return matchingValidator.validate(consumerSchema, providerSchema);